shortcutswindow: Make the search button square

Add the image-button style class to this button (this doesn't
work automatically here, since this is a toggle button).

https://bugzilla.gnome.org/show_bug.cgi?id=763604

diff --git a/gtk/gtkshortcutswindow.c b/gtk/gtkshortcutswindow.c
index 109c17fc2fbbc7340d737344528bd85f4ee8a2c4..4a1b5bccb602226c97188d675d78ce790d7493a0 100644 (file)
--- a/gtk/gtkshortcutswindow.c
+++ b/gtk/gtkshortcutswindow.c
@@ -827,6 +827,7 @@ gtk_shortcuts_window_init (GtkShortcutsWindow *self)
                                                        NULL),
                                 "visible", TRUE,
                                 NULL);
+  gtk_style_context_add (gtk_widget_get_style_context (search_button), "image-button");
   gtk_container_add (GTK_CONTAINER (priv->header_bar), GTK_WIDGET (search_button));
 
   priv->main_box = g_object_new (GTK_TYPE_BOX,